Update Stravalib to latest post-1.2 version

[obscurerichard]

We are stuck at Stravalib 1.2.x until we rework code to eliminate some removed abstract interfaces. This follows up on freezingsaddles/freezing-sync#37

This affects both https://github.com/freezingsaddles/freezing-sync and https://github.com/freezingsaddles/freezing-web - we will need fixes for both, but it's mostly a freezing-sync problem.

References

• Upgrade freezing-sync to new-ish stravalib 1.2 freezing-sync#37
• 2024 refactoring - including stravalib 1.2.0 upgrade freezing-sync#38
• Upgrade stravalib from 1.2 to 2.2 freezing-sync#75
• Bump stravalib from 1.2.0 to 2.2 freezing-sync#97
• Test stravalib 2.1 freezing-web#338
• Bump stravalib from 1.2.0 to 2.2 freezing-web#450

[obscurerichard]

freezingsaddles/freezing-sync#64 is not going to be enough on its own, freezingsaddles/freezing-sync#75 is the way.

For evidence, see:

• Test stravalib 2.1 freezing-web#338